LLVM 20.0.0git
SystemZTargetMachine.h
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1//=- SystemZTargetMachine.h - Define TargetMachine for SystemZ ----*- C++ -*-=//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares the SystemZ specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13
14#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
15#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
16
17#include "SystemZSubtarget.h"
18#include "llvm/ADT/StringRef.h"
22#include <memory>
23#include <optional>
24
25namespace llvm {
26
28 std::unique_ptr<TargetLoweringObjectFile> TLOF;
29
31
32public:
33 SystemZTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
35 std::optional<Reloc::Model> RM,
36 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
37 bool JIT);
39
40 const SystemZSubtarget *getSubtargetImpl(const Function &) const override;
41 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
42 // subtargets are per-function entities based on the target-specific
43 // attributes of each function.
44 const SystemZSubtarget *getSubtargetImpl() const = delete;
45
46 // Override LLVMTargetMachine
49
51 return TLOF.get();
52 }
53
56 const TargetSubtargetInfo *STI) const override;
57
58 bool targetSchedulesPostRAScheduling() const override { return true; };
59};
60
61} // end namespace llvm
62
63#endif // LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETMACHINE_H
#define F(x, y, z)
Definition: MD5.cpp:55
Basic Register Allocator
This pass exposes codegen information to IR-level passes.
Allocate memory in an ever growing pool, as if by bump-pointer.
Definition: Allocator.h:66
This class describes a target machine that is implemented with the LLVM target-independent code gener...
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
Definition: StringMap.h:128
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:50
bool targetSchedulesPostRAScheduling() const override
True if subtarget inserts the final scheduling pass on its own.
const SystemZSubtarget * getSubtargetImpl() const =delete
TargetTransformInfo getTargetTransformInfo(const Function &F) const override
Get a TargetTransformInfo implementation for the target.
TargetLoweringObjectFile * getObjFileLowering() const override
MachineFunctionInfo * createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F, const TargetSubtargetInfo *STI) const override
Create the target's instance of MachineFunctionInfo.
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
std::unique_ptr< const MCSubtargetInfo > STI
TargetOptions Options
Target-Independent Code Generator Pass Configuration Options.
TargetSubtargetInfo - Generic base class for all target subtargets.
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
Target - Wrapper for Target specific information.
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
CodeGenOptLevel
Code generation optimization level.
Definition: CodeGen.h:54
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...